Dayco 70389 Radiator Coolant Hose - Lower or Upper

Overview of Dayco Curved Radiator Hose 70389

The Dayco Curved Radiator Hose 70389 is designed to provide reliable coolant flow for select Chevrolet and Ford vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black single inside diameter hose with 1 3/4 inch diameter on both ends
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height measures 13 1/4 inches for precise fitment
• Compatible with Chevrolet Caprice and Impala, Ford F-250 and F-350 models

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on delivering hoses that meet stringent automotive standards for coolant system durability and reliability. The 70389 part number features a curved design tailored to fit specific radiator connections on Chevrolet Caprice and Impala, as well as Ford F-250 and F-350 trucks. Made from EPDM, this hose resists heat, ozone, and coolant chemicals, maintaining integrity under typical engine operating conditions. Both ends have a uniform inside diameter of 1 3/4 inches, ensuring a secure and leak-free connection. The hose does not include a heat shield or protective sleeve, emphasizing a straightforward, functional design.

Applications and Problem Solving

• Replaces worn or cracked radiator coolant hoses in Chevrolet Caprice and Impala
• Restores proper coolant flow in Ford F-250 and F-350 cooling systems
• Prevents coolant leaks caused by hose degradation or swelling
• Addresses overheating issues related to compromised radiator hoses
• Ensures compliance with SAE coolant hose standards for safety and performance

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70389, ensure the engine is cool to avoid burns or injury. Verify that the hose diameter matches the radiator and engine fittings exactly to prevent leaks. Use appropriate clamps tightened to manufacturer specifications. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance

Dayco manufactures the Curved Radiator Hose 70389 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring durability and compatibility with specified Chevrolet and Ford models. While no specific warranty information is provided, Dayco's adherence to industry specifications supports reliable performance in automotive cooling applications.